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python实现文件名批量替换和内容替换

时间：2021-07-01 10:21:17 帮助过：164人阅读

指定文件夹，指定文件类型，替换该文件夹下全部文件的内容。

注意在window下的读写内容需要指定编码，还需要在文件头指定#coding:utf-8 编码，避免出现编码问题。

代码如下:

#coding:utf-8
import os
import os.path

path='.'
oldStr='.php'
newStr='.html'

for (dirpath, dirnames, filenames) in os.walk(path):
for file in filenames:
if os.path.splitext(file)[1]=='.html':
print(file)
filepath=os.path.join(dirpath,file)
try:
text_file = open(filepath, "r")
lines = text_file.readlines()
text_file.close()
output = open(filepath,'w',encoding= 'utf-8')
for line in lines:
#print(line)
if not line:
break
if(oldStr in line):
tmp = line.split(oldStr)
temp = tmp[0] + newStr + tmp[1]
output.write(temp)
else:
output.write(line)
output.close()
except Exception:
print(Exception)
break

这个示例可以批量替换文件名和内容

代码如下:

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os, re

def multi_replace(text, adict):
    rx = re.compile('|'.join(map(re.escape, adict)))
    def xlat(match):
        return adict[match.group(0)]
    return rx.sub(xlat, text)

def batrename(curdir, pairs):
    for fn in os.listdir(curdir):
        newfn = multi_replace(fn, pairs)
        if newfn != fn:
            print("Renames %s to %s in %s." % (fn, newfn, curdir))
            os.rename(os.path.join(curdir, fn), os.path.join(curdir, newfn))
        file = os.path.join(curdir, newfn)

        if os.path.isdir(file):
            batrename(file, pairs)
            continue

        text = open(file).read()
        newtext = multi_replace(text, pairs)
        if newtext != text:
            print("Renames %s." % (file,))
            open(file, 'w').write(newtext)

if __name__=="__main__":
    while True:
        oldname = raw_input("Old name: ")
        newname = raw_input("New name: ")
        if oldname and newname:
            batrename(os.path.abspath('.'), {oldname:newname})
        else: break                    

python实现文件名批量替换和内容替换

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